NS EN ISO 4257:2001现行
Liquefied Petroleum Gases - Method Of Sampling
出版：Norwegian Standards (Norges Standardiseringsforbund)
专家解读视频
Gives the procedures used to obtain samples of non-refrigerated liquefied petroleum gases (LPG) such as propane, butane or mixtures thereof. Suitable for sampling into containers to provide samples for laboratory testing products that are covered by ISO 9162.
SS EN ISO 4257 Ed. 2 (2001) - Identical
UNE EN ISO 4257:2002 - Identical
UNI EN ISO 4257:1997 - Identical
NF EN ISO 4257:2001 - Identical
ISO 4257:2001 - Identical
SN EN ISO 4257:2001 - Identical
ONORM EN ISO 4257:2002 - Identical
BS EN ISO 4257:2001 - Identical
DIN EN ISO 4257 (2002-03) - Identical
NEN EN ISO 4257:2001 - Identical
NBN EN ISO 4257:2001 - Identical
I.S. EN ISO 4257:2002 - Identical
UNI EN ISO 4257:2003 - Identical
